> Markdown version of [/jobs/ext/2817733-senior-data-scientist-london](https://www.wearedevelopers.com/jobs/ext/2817733-senior-data-scientist-london). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Scientist London - **Company:** Lenkie Inc. - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Data Systems, Online Banking, Python (Programming Language), Tensorflow, SQL Databases, Scikit Learn, Xgboost - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840589846-senior-data-scientist-london ## About the Role * 2-5 years of experience in data science or quantitative analysis, with a strong focus on credit risk in a fintech or lending environment * Hands-on experience building credit scorecards or risk models (application, behavioural, or collections) * Proficiency in Python and SQL; experience with ML frameworks (scikit-learn, XGBoost, etc.) * Familiarity with Open Banking data, bureau data (Experian, Equifax, TransUnion), or alternative data sources * Comfort working in small, fast-moving teams where you have to be both strategic and hands-on * Experience with SME lending is a strong plus (vs. consumer) * Strong communicator - able to explain model outputs and data insights to non-technical stakeholders ## Description We're looking for a (Senior) Data Scientist with deep credit risk experience to join us as one of our earliest data hires. You'll work closely with the Head of Credit, Credit Risk Manager and CTO to build our modelling capability from the ground up - from scorecard development and underwriting automation to portfolio analytics and early warning systems as well as Customer Lifetime Values. This isn't a role where you'll plug into an existing machine. You'll be defining how we do things, building the infrastructure, and helping recruit the team around you as we grow., * Build credit risk models - application scorecards, behavioural models, propensity models - across our SME lending products * Create portfolio monitoring dashboards, MI packs, and early warning indicators for the credit and leadership teams * Work with Open Banking, bureau, and alternative data sources to enrich our credit assessment * Define data science best practices, tooling, and ways of working as the function grows * Partner closely with Product, Engineering, and Credit to translate business problems into data solutions * Support the Head of Credit and Credit Risk Manager on strategic projects - limit setting, pricing, risk appetite calibration * Use your data science expertise for projects outside of credit risk, e.g. Customer Lifetime Value modeling. ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Machine learning in the browser with TensorFlowjs](https://www.wearedevelopers.com/videos/155-machine-learning-in-the-browser-with-tensorflowjs) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [TikTok's Privacy Innovation](https://www.wearedevelopers.com/videos/1036-tiktok-s-privacy-innovation) - [Overview of Machine Learning in Python](https://www.wearedevelopers.com/videos/840-overview-of-machine-learning-in-python) - [How We Built a Machine Learning-Based Recommendation System (And Survived to Tell the Tale)](https://www.wearedevelopers.com/videos/752-how-we-built-a-machine-learning-based-recommendation-system-and-survived-to-tell-the-tale) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Average Salary in London](https://www.wearedevelopers.com/magazine/280-average-salary-in-london)